Datasheet

112
AT89C51CC03
4182O–CAN–09/08
Table 56. CANSIT1 Register
CANSIT1 (S:BAh Read Only)
CAN Status Interrupt Message Object Registers 1
Reset Value = x000 0000b
Table 57. CANSIT2 Register
CANSIT2 (S:BBh Read Only)
CAN Status Interrupt Message Object Registers 2
Reset Value = 0000 0000b
76543210
- SIT14 SIT13 SIT12 SIT11 SIT10 SIT9 SIT8
Bit
Number Bit Mnemonic Description
7-
Reserved
The values read from this bit is indeterminate. Do not set this bit.
6-0 SIT14:8
Status of Interrupt by Message Object
0 - no interrupt.
1 - IT turned on. Reset when interrupt condition is cleared by user.
SIT14:8 = 0b 0000 1001 -> IT’s on message objects 11 and 8.
see Figure 50.
76543210
SIT7 SIT6 SIT5 SIT4 SIT3 SIT2 SIT1 SIT0
Bit
Number Bit Mnemonic Description
7-0 SIT7:0
Status of Interrupt by Message Object
0 - no interrupt.
1 - IT turned on. Reset when interrupt condition is cleared by user.
SIT7:0 = 0b 0000 1001 -> IT’s on message objects 3 and 0
see Figure 50.